[Python-Dev] PEP 495 implementation

[Alexander Belopolsky]

Dear All,

I have not received any responses since my first post in this thread in
September last year.   This time I am adding python-dev to BCC in hopes to
reach a larger audience.  With the date of the first beta (2016-09-07) fast
approaching, I would like to commit PEP 495 implementation hopefully before
alpha 3 (2016-07-11).

I have a patch published as a pull request [1] against the python/cpython
repository on github.  If anyone still prefers the bug tracker workflow, I
can publish it as a patch for issue #24773 [2] as well.

Please also see my post from March below.  Since that post, I have
implemented a -utzdata option to the regression test, so now the long
exhaustive test only runs when you do python -mtest -utzdata.  Note that
this test currently fails on a couple exotic timezones such as
Asia/Riyadh87, but it is likely to be an issue with the timezone database
rather than python code.  I still don't have access to a Windows
development box and I know that the current implementation will not work
there because I use localtime_r.   I need help/advise on this front.

I have not started updating the documentation, so the PEP text [3] should
serve as the documentation for now.  I will try to get the documentation
patch ready before the beta, but I don't want to delay checking in the code.

On Mon, Mar 21, 2016 at 10:34 PM, Alexander Belopolsky <
alexander.belopolsky at gmail.com> wrote:
>
> Dear All,
>
> I am getting close to completing PEP 495 implementation, but I need
someone to help me with a port to Windows.  One of the major obstacles is
that my implementation relies heavily on the POSIX localtime_r function
which apparently is not available on Windows.
>
> I would also appreciate help from a unittest expert to improve
test_datetime.  One of the pressing tasks is to make ZoneInfoCompleteTest
optional because it takes several minutes to complete.
>
> I am maintaining the patch as a pull request [1] against the
python/cpython repository on github.  Code reviews are most welcome.
>
>
[1]: https://github.com/python/cpython/pull/20
[2]: http://bugs.python.org/issue24773
[3]: https://www.python.org/dev/peps/pep-0495
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